Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C 4 H 4 N 2. It is a symmetrical molecule with point group D 2h. Pyrazine is less basic than pyridine, pyridazine …

This is the first report to document the tobacco industry's incorporation of pyrazine compounds into cigarettes since the early 1970s which appear to contribute to the products’ appeal and …

Pyrazine is a diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. It has a role as a Daphnia magna metabolite. It is a member of …

pyrazine, any of a class of organic compounds of the heterocyclic series characterized by a ring structure containing four atoms of carbon and two of nitrogen. The pyrazine ring is part of …

Pyrazine is an aromatic azaheterocycle containing two nitrogen atoms, known for its electron-deficient nature. It is a key pharmacophore in various drugs, including anti-inflammatory, …

2023年10月5日 · Pyrazine is a nitrogen-containing six-membered heterocyclic ring and many of its derivatives are identified as bioactive molecules. We review here the most active pyrazine …

2015年6月10日 · Pyrazine additives may be reinforcing the addictive qualities of nicotine, say researchers who recommend strict regulation of this particular cigarette (and e-cig) additive.

The meaning of PYRAZINE is a crystalline heterocyclic weakly basic compound C4H4N2.

Pyrazine is a heterocyclic aromatic organic compound that belongs to the class of diazines. It is a symmetrical molecule with the chemical formula C 4 H 4 N 2 . Its structure comprises a six …

Pyrazine is a six-membered heterocyclic aromatic compound that contains two nitrogen atoms at non-adjacent positions in the ring structure. This unique arrangement of nitrogen within the …